98 2.2 hard to start warm baffled - Camry Forums - Toyota Camry Forum


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Old 01-05-2017, 02:20 PM
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Default 98 2.2 hard to start warm baffled

I just got a 98 camry le 2.2 a week or two ago and been having a problem that i cant put my finger on. Itll start fine cold majority of the time cept when its warm and i go into store itll start then die and wont restart til either i try it a few times or spray starting fluid in tb. Today the cel came on and has a p0171 (bank 1 lean) code on it. It doesnt act up at all while driving or idleing (cept sometimes idle will go up for second or 2 then go back down). The car has 122k miles and i picked it up cheap. Gonna try the fuel filter first and go from there. I dont have a pressure gauge to see what fuel pressure is at either. Any suggestions?
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Old 01-05-2017, 09:15 PM
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Any exhaust or intake leaks?

Check coolant sensor for computer and1st O2 sensor off of cylinder head on exhaust system.
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Old 01-05-2017, 10:03 PM
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No exhaust or intake leaks that i know of i was thinking could be coolant sensor for ecu how do i go about testing it same as o2 sensor
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Old 01-06-2017, 11:39 AM
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You need a scan tool that can output actual coolant temp and O2 data.

You might check the resistance of the coolant temp sensor. Speculate at 60F ohm reading around 0.6. At 176F 0.3, 212F 0.2 ohm. Have no real data.

There is a coolant temp wiring harness connection to the main harness on one or the other side of the radiator.

If hard starting try disconnecting the coolant sensor and O2 sensor one at time and determining if this make a difference in starting.
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Old 01-06-2017, 02:29 PM
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Ill have to try that next time it does it
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Old 01-10-2017, 02:34 PM
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I tried unplugging coolant temp sensor and o2 sensor one at a time and still no luck. Gonna do fuel filter hopefully tomorrow to see if it helps.
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Old 01-11-2017, 02:31 PM
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Did fuel filter today and still does same thing. Which im surprised cause it was clogged.
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